1131630430 has 16 divisors (see below), whose sum is σ = 2327925600. Its totient is φ = 387987552.

The previous prime is 1131630427. The next prime is 1131630457. The reversal of 1131630430 is 340361311.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8083005 + ... + 8083144.

It is an arithmetic number, because the mean of its divisors is an integer number (145495350).

Almost surely, 2^1131630430 is an apocalyptic number.

1131630430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131630430 is an abundant number, since it is smaller than the sum of its proper divisors (1196295170).

1131630430 is a wasteful number, since it uses less digits than its factorization.

1131630430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16166163.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1131630430 is about 33639.7150701370. The cubic root of 1131630430 is about 1042.0811475959.

Adding to 1131630430 its reverse (340361311), we get a palindrome (1471991741).

The spelling of 1131630430 in words is "one billion, one hundred thirty-one million, six hundred thirty thousand, four hundred thirty".